Health Calculators
BMI, BMR, calorie and fitness calculators — understand your body and plan your health goals.
26 calculators in this category
BMI Calculator
Calculate your Body Mass Index and category.
Calorie Calculator
Calculate your daily calorie needs based on age, gender, weight and activity.
BMR Calculator
Calculate your Basal Metabolic Rate and daily calorie needs.
Body Fat Calculator
Estimate your body fat percentage using common measurements.
Ideal Weight Calculator
Calculate your ideal body weight based on height and gender.
TDEE Calculator
Calculate your Total Daily Energy Expenditure and maintenance calories.
Calories Burned Calculator
Estimate calories burned during different activities.
Waist to Hip Ratio Calculator
Calculate your waist-to-hip ratio and health risk category.
Steps to Calories Calculator
Estimate calories burned based on the number of steps walked.
Steps to Km Calculator
Convert the number of steps walked into kilometres.
Pregnancy Due Date Calculator
Calculate your estimated due date and pregnancy milestones.
Macro Calculator
Calculate your daily protein, carbohydrate and fat targets based on your goals.
Lean Body Mass Calculator
Calculate your lean body mass and body fat weight.
Protein Calculator
Calculate your daily protein requirement based on weight and activity level.
Target Heart Rate Calculator
Calculate your target heart rate zones for different exercise intensities.
Ovulation Calculator
Calculate your ovulation date and fertile window based on your cycle.
Period Calculator
Calculate your next period date and cycle predictions.
Carbohydrate Calculator
Calculate your daily carbohydrate needs based on weight and activity.
Healthy Weight Calculator
Calculate a healthy weight range for your height using BMI.
One Rep Max Calculator
Calculate your one rep max and training percentages for weightlifting.
Body Surface Area Calculator
Calculate your body surface area using the Mosteller formula.
Pace Calculator
Calculate running pace, speed and finish time for any distance.
Pregnancy Weight Gain Calculator
Calculate recommended weight gain during pregnancy based on BMI.
Height Calculator
Predict a child's adult height using the mid-parental height method.
GFR Calculator
Estimate glomerular filtration rate (eGFR) using the MDRD formula to assess kidney function.
Bra Size Calculator
Calculate bra band and cup size from underbust and bust measurements in inches.